AAT4674_08 ANALOGICTECH [Advanced Analogic Technologies], AAT4674_08 Datasheet
AAT4674_08
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AAT4674_08 Summary of contents
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SmartSwitch TM General Description The AAT4674/4674-1 are members of Analogic Tech’s Application Specific Power Management SmartSwitch™ family. These devices are dual input single output power supply selector switches designed to operate from bat- teries, or any other power supply with ...
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SmartSwitch SmartSwitch TM TM Pin Descriptions Pin Number Name Type 1, 2 IN1 3, 4 IN2 GND I/O 8 SEL 9 IIN2 10 IIN1 11, 12 OUT O Pin Configuration 2 2 Function I Power supply ...
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SmartSwitch SmartSwitch TM TM Absolute Maximum Ratings Symbol Description V [IN1, IN2] to GND INX V [OUT, EN, IIN1, IIN2, SEL] to GND N T Maximum Soldering Temperature (at Leads) LEAD I Maximum Output Current OUT Thermal Information 2 Symbol ...
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SmartSwitch SmartSwitch TM TM Electrical Characteristics -40 to +85°C, unless otherwise noted. Typical values are at T INX A Symbol Description Operation V IN1 Operating Voltage Range IN1 V IN2 Operating Voltage Range IN2 V ...
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SmartSwitch SmartSwitch TM TM Typical Characteristics I Shutdown Current vs. Temperature IN1 0.8 0.6 V IN1 0 IN1 0 3.6V IN1 -0.2 V IN1 -0.4 -40 - Temperature (°C) I Operation Current ...
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SmartSwitch SmartSwitch TM TM Typical Characteristics I Sleep Current vs. V IN1 IN1 (V = 6.5V) IN2 2.5 85°C 2 25°C 1.5 1 -40°C 0.5 0 2.5 3 3.5 4 4.5 V Voltage (V) IN1 Current Limit vs. R IIN1/IIN2 ...
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SmartSwitch SmartSwitch TM TM Typical Characteristics 3.6V to 3.6V Transition Response (I = 500mA 10µF) OUT OUT V OUT (1V/div) 3.6V 3. SEL 0V (2V/div) Time (40µs/div) Short Circuit Through 0.6Ω Ω Response ...
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SmartSwitch SmartSwitch TM TM Functional Block Diagram IN1 IIN1 SEL IIN2 IN2 Truth Table Y = Yes No don’t care. Input Conditions V > UVLO V IN1 IN2 Functional Description To ...
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SmartSwitch TM Output Capacitor A 1μF or greater capacitor is required between OUT and GND ( with the input capacitor, there is no spe- OUT cific capacitor ESR requirement. If desired, C increased to accommodate any load transient ...
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SmartSwitch TM For example, for a 2.5V input power supply application that is specified to operate in 50°C environments where the PCB operates at temperatures as high as 85°C. The application is sealed and its PCB is small, causing R ...
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SmartSwitch SmartSwitch TM TM Evaluation Board Schematic C1 2.2μF C2 2.2μF J1 Header 2 Figure 1: AAT4674/AAT4674-1 Evaluation Board Schematic. Evaluation Board Layout Figure 2: AAT4674/AAT4674-1 Evaluation Board Top Side Layout. 4674.2008.02.1.1 4674.2008.02.1.1 U1 MAIN 1 IN1 OUT 2 IN1 ...
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SmartSwitch SmartSwitch TM TM Ordering Information Package TSOPJW-12 TSOPJW-12 All AnalogicTech products are offered in Pb-free packaging. The term “Pb-free” means semiconductor products that are in compliance with current RoHS standards, including the requirement that lead not exceed 0.1% by ...